2026 All-New VDIAGTOOL D501 OBD2 Scanner is specifically designed for GM vehicles
including GM / Buick / Chevrolet / Cadillac.
D501 Car diagnostic tool supports✅full-function, ✅full system diagnostics, ✅lifetime free updates, ✅J2534 protocol, ✅prefrom ECU programming, ✅ECU coding, ✅hidden feature activation, ✅other advanced functions, ✅bi-directional control, ✅CAN FD protocol, ✅Auto VIN , ✅8-in-1 Live Data , supports ✅22 languages and covers 99% of GM vehicles
🔥VDIAGTOOL D501 OBD2 Scanner Designed FOR BUICK/CHEVROLET/CADILLAC/GM🔥
✅J2534 ECU Programming FOR GM/Buick/Chevrolet/Cadillac
VDIAGTOOL D501 is equipped with the J2534 protocol, supporting ECU programming and reprogramming for GM / Buick / Chevrolet / Cadillac vehicles. D501 is suitable for software updates, ECU replacement initialization, and post-repair software or calibration data. D501 J2534 programming tool can fix software defects, enhance performance, or meet the latest emissions regulations, while also supporting personalized settings for specific vehicle parameters. Designed with professional-grade diagnostic capabilities, it meets the demands of advanced diagnostic needs.
NOTE: Features vary by vehicle model. Please provide the VIN for verification prior to purchase.
✅Bi-Directional Control – Smart Shortcut to Efficient Diagnostics
No longer need to be troubled by fault codes on the scanner. VDIAGTOOL D501 for GM employs bidirectional control to directly command the vehicle to actively test critical systems – such as relays, lights, and pumps. Instantly verifying responses and pinpointing faults with precision. This saves time and avoids unnecessary component replacement.
✅ALL Service Functions Built for GM/Buick/Chevrolet/Cadillac Owners
Access core reset and relearn functions via the quick service menu. Reset brake warnings, perform transmission relearns, and complete routine maintenance tasks from home without queuing at garages. No need to worry about recurring fault warnings after manual servicing. In most cases, a single use offsets the tool's cost.
NOTE: Features vary by vehicle model.Please provide the VIN for verification prior to purchase.
✅Full Systems Diagnostic Scanner with All OBD2 Function
Tired of basic, single-system vehicle scanners? VDIAGTOOL D501 is designed for GM owner, offering comprehensive insights into engine, transmission, ABS, airbag and other system statuses.It not only accurately diagnoses fault codes and pinpoints fault sources, but also monitors and reports vehicle system performance, helping you precisely track your car's health.
Equipped with full OBD2 functionality, it reads/clears fault codes, displays live data, captures freeze frames, and retrieves vehicle information and module status—delivering a comprehensive diagnostic solution in one device.
✅Wireless BT Connection & Support for Android / iOS
No wires. No restrictions. The VDIAGTOOL D501 connects via Bluetooth, providing fast and stable wireless diagnostics with an effective range of 33 feet (approximately 10 metres). It offers extensive diagnostic options through your smartphone's Bluetooth connection, transforming your iOS or Android device into a powerful diagnostic tool. Compact and portable, it is perfectly suited for use in garages or driveways. It does not support PC devices.
✅8 IN 1 Live Data Graph & Diagnostic Report
VDIAGTOOL D501 OBD2 Scanner for Buick simultaneously monitors eight real-time data streams, covering multiple critical vehicle parameters (engine RPM, coolant temperature, intake pressure, etc.). It converts these into intuitive waveform graphs, precisely capturing data anomalies to proactively identify potential faults. Requiring no specialist automotive knowledge, it enables effortless operation and diagnostic report exporting for convenient sharing, consultation, or archiving.
✅ Lifetime Free Updates
Get unlimited access to new vehicle coverage, function upgrades, and bug fixes—no annual fees, ever.
✅ FCA & CAN-FD Protocols
Fully compatible with modern GM vehicles (2020+), enabling high-speed data transfer and complete diagnostics.
✅ Auto VIN & Auto Scan
One-click automatic vehicle identification and full system scan, saving you time and eliminating manual setup.
✅22 Languages
Use your native language for seamless operation—no more struggling with confusing English menus.
✅2-Year Warranty
Backed by a 2-year warranty and lifetime technical support for peace of mind.
✅Unlock More Car Models
Regular updates expand ehicle coverage, ensuring compatibility with the latest GM models.
Users can choose pay to unlock additional vehicle models
💯J2534 ECU Programming for 17+ brands----- Pay one time of $199 get lifetime access;
💯70+ vehicle brands Diagnostic app---- Pay one time of $19.9- $39.9 per brand, valid for three years.
A single device delivers flexible expansion and exceptional long-term value.
Pay $199 to Unlock 17+Car Brand J2534 Function
Payment onetime of $199, unlock J2534 ECU programming capabilities for 17+ major vehicle brands For Toyota/Lexus/Scion, For Honda/Acura, For Ford, For Nissan/Infiniti, For VW/Audi/Skoda, For Subaru, For Land Rover/Jaguar, For BMW/Mini, For Porsche, For Mercedes-Benz, For FCA, For BAOJUN, For KIA, For Hyundai, For Mitsubish, For Mazda. Handle multiple brands Programming Problem with one D501 Car scanner , maximizing efficiency and return on investment.
This upgrade enables programming, flashing, and module updates for ECUs from 17+ car brands, transforming your VDIAGTOOL D501 from a standard OBD-II scanner to a professional J2534 programming solution. You can confidently fix software issues, update control modules, and complete ECU replacements. Furthermore, this upgrade includes lifetime free updates and lifetime free use!
How to program using J2534
Download the VDIAGTOOL J2534 driver from the VDIAGTOOL official website and install it on your Windows PC (requires Windows 7 or higher). J2534 functionality works through XPortal and is not supported on iOS or macOS systems.
NOTE：
1. Does not include OEM software
2. Please confirm OEM software compatibility and PC requirements before purchasing
3. Programming availability may vary by model and year
Not just For GM, Pay to unlock more car Brand
VDIAGTOOL D501 professional diagnostic tool is not limited to BUICK, CHEVROLET, CADILLAC, and GMC vehicles. If you own multiple car brands or are a professional automotive technician, you can subscribe to additional vehicle brand software as needed, with single-brand unlocks priced from just $19.9 to $39.9. The software includes 1 years of free updates and offers full-system diagnostics, special functions, active tests, and complete OBD2 functionality. You can choose to subscribe to the vehicle software that best fits your needs.
Pay $19.9 to Subscribe to Diagnostic Software Models:
For Daihatsu, For Mitsubishi, For Lexus, For Infiniti, For Nissan, For Mazda, For Toyota, For Subaru, For Honda, For Mazda, For Isuzu, For Daewoo, For Subaru, , For Polestar, For Maserati, For Alpina, For Bugatti, For Ferrari, For Dacia, For Lancia, For Saab, For Vauxhall, For SMART, For Peugeot, For Citroën, , For Lincoln, For Chrysler, For Dodge, For Jeep, For Mercury, For Ford (America), For Ram and more...
Pay $39.9 to Subscribe to Diagnostic Software Models:
For Volkswagen, For Audi, For Skoda, For Bentley, For Porsche, For Lamborghini, For Seat, For Volkswagen Commercial, For BMW, For Mini, For Rolls-Royce.
Lifetime free updates! Worry-free use!
VDIAGTOOL D501 offers lifetime free updates. This ensures D200 OBD2 scanner compatible with the latest vehicle models and diagnostic protocols. There are no subscription fees whatsoever, nor any hidden charges. You receive only continuous functional iterations and experience upgrades.
Updates encompass: enhanced functionality, optimised performance, expanded vehicle compatibility, and the latest diagnostic technologies. VDIAGTOOL leverages this advantage to consistently maintain dealer-grade professional diagnostic standards, remaining at the forefront of evolving automotive technology
VDIAGTOOL D501 J2534 ECU Programming TOOL FOR GM
VDIAGTOOL D501J2534 ECU Programming Tool for GM, unlocking dealer-grade ECU programming capabilities to meet the advanced professional maintenance and routine servicing requirements of GM / Buick / Chevrolet / Cadillac / GMC vehicle owners.10x increase in diagnostic speed!
✅ OE-LEVEL full-function ECU programming: Supports ECU firmware updates via OEM servers, synchronously completing module updates, reprogramming, and software version upgrades. Enables system reinitialisation using genuine data, adhering to factory standards.
✅ Effortless ECU replacement adaptation: Rapidly achieves calibration and debugging even after ECU component replacement, eliminating complex procedures and significantly boosting repair efficiency.
✅ Professional-grade ECU coding capabilities: Incorporates advanced coding functions to activate hidden features and component matching, balancing practicality with personalisation.
✅ Owner-friendly customisation: Adjust alert tones, enable automatic mirror folding, disable auto-start/stop, or suppress seatbelt reminders without technical expertise. Unlock enhanced comfort features to effortlessly tailor your vehicle to your preferences.
NOTE :
1. All the above functions require OEM software support, which we do not provide.
2. The J2534 protocol is compatible with Windows 8 and above systems.
3. Plug the VDIAGTOOL VC into the OBD port, then connect it to a PC using the USB cable.
OE-Level Full Systems Scanner FOR BUICK/CHEVROLET/CADILLAC/GMC
Stop being misled by basic scanners that only read engine codes.
The most expensive problems are often hidden in the Transmission, ABS, and SRS systems.
VDIAGTOOL D501 OBD2 Code Reader OE-level diagnostics across 28+ vehicle systems, including Engine, Transmission, ABS, SRS, BCM, and more. A single comprehensive scan helps uncover system-level issues that commonly cause repeat repairs and costly comebacks.
Complete Diagnostic Functions:
Read and clear DTCs, analyze freeze frame data, monitor live data streams, check I/M readiness status, perform O2 sensor tests, execute active tests, and access ECU information—everything required for accurate fault isolation and repair verification.
Broad Protocol Compatibility:
Fully supports OBDII / EOBD, including CAN (ISO 15765-4), ISO 9141-2, KWP2000 (ISO 14230-4), PWM, and VPW (SAE J1850). Compatible with most vehicles on the road, covering both older and newer platforms. Plug in and scan—no complicated setup required.
4000+ Bi-Directional Control & Active Test
VDIAGTOOL D501 OBD2 Bluetooth Car Scanner for GM supports Active Testing, allowing you to actively command vehicle components and perform targeted tests for precise fault diagnosis. Unlike traditional scanners that only read codes, this feature supports bi-directional communication, so you can send test commands and receive feedback from the vehicle components, helping you quickly identify the root cause of issues. Professional diagnostics have never been this simple, fast, and efficient.
Common Active Tests Include:
Wiper Activation
Door Open/Close
Engine Status Monitoring
Headlight Control
Coolant Pump Operation
Fuel Injector Testing
EVAP System Test
Oil Pressure Control
Radiator Fan Test
Brake Vacuum Test
Wheel Speed Sensor Test
8-In-1 Live Data Graphing For Comprehensive Diagnostics
VDIAGTOOL D501 Bluetooth Diagnostic Tools diagnose all trouble codes and live data streams from various electrical control units while also displaying freeze frame data. It presents live data in both text and graph formats, including cylinder misfire data, transmission fluid/oil temperature, fuel trim, ATF temperature, cylinder balance rates, engine RPM, O2 sensor readings, mass air flow sensor data, fuel pressure, and actual vs. desired fuel temperature. This comprehensive data display enhances troubleshooting and vehicle diagnostics.
Create high-quality reports
Vdiagtool D501 OBD2 diagnostic scanner supports report generation, allowing you to share PDF files and print reports when connected to a network. Reports include fault codes (DTCs), system status, test results, and other information, easily recording and tracking the vehicle's diagnostic history, which is helpful for long-term maintenance and performance analysis. The diagnostic reports also support customization; you can add customer details and logos; customize report titles; and select specific diagnostic content.
Fast AUTO VIN & AUTO SCAN
VDIAGTOOL D501 Car Scanner For GM / Buick / Chevrolet / Cadillac / GMC is based on the Latest VIN auto-scan function, which can quickly identify the vehicle and scan all diagnosable ECUs and run diagnostics on the selected system. For vehicles that do not support the automatic VIN scan feature, you can manually enter the vehicle VIN.
How to purchase more features through the APP?
Step 1: Open the "VDIAGTOOL" APP and click "Mall"
Step 2: Select the features you want to subscribe to.
Step 3: You will receive the Code ID after successful payment.
Step 4: Activate in "Subscription Services"
Note: Please send the VIN number and the required functions to check compatibility with us.
Quick Setup Guide--Compatible With Iphone, Ipad & Android Devices Via Bluetooth
1. Download the "VDIAGTOOL" App from App Store or Google Play or Official Website.
2. Bind and activate the dongle in the APP, Find out S/N and activation code on the quality certificate.
3. Plug the D501 interface adapter into OBD2 Port.
4. Click for BT setting on APP / smart device and pairing with D501.
5. Turn on the ignition and start the diagnosis.
VDIAGTOOL D501 SUPPORT 99% MODELS FOR BUICK/CHEVROLET/CADILLAC/GMC
For Chevrolet Vehicles: For Chevrolet Camaro, For Chevrolet Corvette. For Chevrolet Silverado, For Chevrolet Equinox, For Chevrolet Malibu, For Chevrolet Traverse, For Chevrolet Tahoe, For Chevrolet Suburban, For Chevrolet GMC.
For GMC Vehicles: For Sierra, For Canyon, For Acadia, For Terrain, For Yukon, For Savana.
For Cadillac Vehicles: For Cadillac Escalade, For Cadillac XT5, For Cadillac CT6, For Cadillac XT4, For Cadillac ATS, For Cadillac CTS.
For Buick Vehicles: For Buick Enclave, For Buick Encore, For Buick Regal, For Buick LaCrosse.
VDIAGTOOL D501 Supports 22 Languages
VDIAGTOOL D501 Automotive Scanner supports multiple languages for global technicians, eliminating language barriers. Effortless switch, no translation needed.
VDIAGTOOL D501 Automotive diagnostic tool covers 22+ languages for better term understanding: English, Arabic, French, Polish, Portuguese, Russian, Danish, German, Greek, Spanish, Finnish, Hungarian, Italian, Japanese, Korean, Dutch, Norwegian, Swedish, Thai, Turkish, Vietnamese, Traditional Chinese and etc.
Note: English is the basic Language. If you need other languages, Please contact us to authorize other Languages.
Packing List:
OBD2 Diagnostic Tool
Portable Storage Bag
Packagjing Boxc
TypeC to TypeA
TypeC to TypeC
Quick Start Guide
